ci: add 5.3 known failed cases filename

Author: igor.udot

.gitlab/ci/common.yml

@@ -84,7 +84,7 @@ variables:
   CI_PYTHON_TOOL_BRANCH: ""
 
   # Set this variable to specify the file name for the known failure cases.
-  KNOWN_FAILURE_CASES_FILE_NAME: "master.txt"
+  KNOWN_FAILURE_CASES_FILE_NAME: "5.3.txt"
 
   IDF_CI_BUILD: 1